chase



(No Model.)

3 Sheets-Shfi 1. I F. CHASE.- MAOHINE FOR LASTING BOOTS OR" SHOES.

. Patented May 31., 1887.

' N. PEYEHS. Fholo-Lilhograpmr. Washington. D. C.

(No Model.) 3 Sheets-Sheet 2.

P. CHASE.

MACHINE FOR LASTING BOOTSOR SHOES.

No. 364,088; Patented May 31, 1887.

IIIHU m/W'Zw N. PETERS. Pholwlilhngnphcr. Wnshmglnn. 0.1;

(No Model.) 3 Sheets--Sheet '3.

. P. CHASE.

. MACHINE FOR LASTING BOOTS-0R SHOES. v No. 364,088. Patented May 31, 1887.

IVE m.

' u PETERS. mwwuum m Wnhingmn. nc

to the heel and the toe of the boot or shoe.

UNITED STATES PATENT OFFICE.

FRANK OHASE, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO THE CHASE LASTING MACI-HNE COMPANY.

MACHINE FOR LASTING BOOTS OR SHOES.

SPECIFICATION forming part of Letters Patent No. 364,088, dated May 31, 1887.

Application filed April 5, 188?. Serial No. 233,698. (N6 model.)

To all whom it may concern.

Be it known that I, FRANK Crmsn, of Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and-useful Improvements in Machines for Lasting Boots or Shoes, of which the following is a specification.

My improvements relate to those portions of a-lasting-machine which are intended to last They have been designed with more particular reference to the needs of a lasting-machine of the general organization illustrated in my Letters Patent No. 337,925, of March 1 6, 1886, butare also applicable to lasting-machines of other types.

My invention comprises, mainly, first, an improved construction and arrangement of the retarder and hold-down mechanism for the toe portion of the machine,which forms the subject of my Letters Patent of April 27, 1886, No. 340,860; second, the employment of adjustable toe-clamps to resist the tendency of the toe portion of the last to move laterally when the toe-wipers are acting to last the toe. In this operation one side sometimes pullsharder than the otherside, with the result of moving the toe of the last toward the side of less resistance. The clamps 10 above referred to are intended to prevent this 0 by reference to the accompanying drawings,

Figure 1 is a side elevation of the toe-lasting mechanism. Fig. 2 is a front elevation of the same. Fig. 3 is a front elevation of the retarder and hold-down mechanism. Fig. Aisa longitudinal vertical central section of the heel-lasting mechanism. Fig. 51s a plan of the same with the top or covering plate removed. Fig. 6 is a cross-section on line 6 6,

Fig. 5. Fig. 7 is a plan of the pliable toeclasp.

justed, as usual, by hand-wheel 0, providedwith the customary adjusting-screw. (Shown in dotted lines in Fig. 1.) The upper part, D,

is jointed at a to the lower part, B, and at its rear end is provided with an adjusting-screw,

X, by which its foreand-aft inclination can I be varied, as required.

The hold-down and retarder devices arecan ried by an arm, I), hung between the ears of a bracket, a, on part D by a pin, 0, which passes through a longitudinal slot, 12, in the arm, all

as in my aforesaid Patent No. 340,860, there I being also, as in said patent,a lever, h, to pass beneath the rear end of the arm I) and to hold it in operative position. The general organization and mode of operation of the parts are the same, substantially, as in my said patent, so that I shall confine my present description to those points in which the construction and arrangement of the parts differ from the patented structure.

At its front or inner endthe arm I) has a beari n g-sleeve, 3 through which passes and can slide within prescribed limits the stem 01 of the hold-down d. Between ears on the top of this sleeve is pivoted the cam-lever e, by means of which, when the arm I) is lowered to the position indicated by full lines in Fig. 1 and locked in that position by lever h, the holddown can be forced down upon the sole of the last.

The retarder-plate e is loosely attached to the supporting-plate e by pins 1, whichpass upthrough holes in the plate 6 of sufficient size to permit a slight forward and back'oscillation of the retarder. Collars 2, surrounding the pins 1, are interposedbetween the parts e e. The supporting-plate itself is loosely connected to the vertical sleeve as indicated in the sectional or broken-away part of 5 Fig. 3, so that it may be capable of slight sidewise oscillation. A spring, 1), surrounding the sleeve y and bearing upon the hub of the supn porting-plate 6, offers yielding resistance to the oscillation of the latter. The object and ef fect of this arrangement is to permit the re IOO tarder to adapt itself to any variations or inelast will be restrained from any lateral movequality in the thickness of the upper. Springs 3, surrounding the pins 1, are shown as used to hold up the retarder c. This, however, is not indispensable, for the pins 1, may be merely short-headed studs having play in the holes in the plate e, through which they pass.

The hold-down and retarder devices are shown in their thrown-back position by dotted lines in Fig. 1 and in the same position by full lines in Fig. 2.

The side clamps are shown plainly in Fig. 2. They are attached to the front of the toewiper carriage-to the part D of said carriage and they are placed one on each side of the recess in said carriage which receives the toe of the last. They are supported in guide ways, in which they can move to and from each other; are held in said guideways by retaining-screws 4, which enter longitudinal slots 5 in them, and are pushed forward or toward each other by pressure or clamping screws 6 on the part D, which bear or push against the rear ends of said clamps. Each clamp atits inner end has a pad, 7, vertically swiveled, as indicated by dotted lines 8, so that it may conform to different shapes of lasts, and made of proper size and shapeso as not to indent the upper.

After the toe-wiper carriage has been advanced tothe proper point to act on the toe of the last, and the retarder and hold-down have been properly adjusted, the'clamps,'by their screws 6, are caused to advance until they bear firmlyagainst the last from opposite sides. In this way, no matter 110w unevenly the toe wipers may pull upon the upper, the toe of the ment.

I come 'now to the devices forlaterally tilting the heel-lasting mechanism. 1 describe the devices with particular reference to the heel-lasting mechanism. They may, however, be applied also for the same purpose to the toe-lasting mechanism, and I desire to be understood as intending this in those of my claims'which are directed to said devices.

E is thelongitudinally-movable heel-lasting carriage, moved by the hand-wheel and screw F E. The carriage is mounted upon alongi tudinal bar or rail, G, having preferably a cross-section of the shape shown in Fig. 6, with a rounded upper edge, 9, which enters a like groove in the under plate of the carriage and-an enlarged under or bottom edge, 10, transverselycurved in the are of'a circle of which the center is the axis of lateral oscillation of the carriage. The carriage is held to thisba'r or rail by a bracket, H, attached to it andextending beneath and fitting against the curved under edge,10,of the rail, being formed for this "purpose with a longitudinal recess,11, of semi-cylindrical crosssection. I11 this way the carriage, while supported by'and capable of sliding lengthwise of the" bar G, may also oscillate laterally thereon to an extent suflicient for all practical purposes. Its lateral tilt can be effected in various ways-as, for instance, by a rod, 12, supported in hearings in the carriage, and having at its inner end a screw, 13,which engages the bracket H, and an annular flange or bead, 14, which entersa longitudinal groove, 15, in the bottom of the part of the rail or bar G. By rotating the rod 12 the screw 13 will act to move the bracket in one direction or the other, according to the direction of rotation, and will thus tilt the carriage. The longitudinal movement of the carriage is effected, as before stated, by the screw F, which passes through and engages a nut, I, mounted and adapted to slide in longitudinal ways E in the frameA ofthe machine, and interposed between ears H H on the rear end of the bracket H. j

The bar or rail G can be raised or lowered at either or both of its ends whenever desired. The means which I prefer to employ for this purpose are shown plainly in Fig. 4. The bar is pivoted or hinged atits rear end on ahorizontal transverse pivot or hinge. At its front end it is providedwith a downward extension, 16, which is hung bet-ween the ears of a block or stem, J, which is vertically movable in guides, and has on its lower end a screw-threaded extension, J,- whieh passes through a supporting-bracket, K, on the frame,in which i-tis held in adjusted position by the two adjusting and locking nuts 17;

The pivot-pin ofthe rear end of the bar G is shown at 18 in Fig. 4. This pin has its bearings in cars 19, Fig. 5, fixed to the frame A, and it passes through an oblong hole, 20, in the bar. A screw, 21, is provided, which is carried by and passes down through the barin such position that the pin 18 will enter an annular groove, 22, in said screw. By turning this screw in one direction or the other the rear end of the bar will be correspondingly raised or lowered, this movement being permitted by reason of the oblong hole 20.

The wiper-operating instrumentalities' are the same for the heel and the toe. I have therefore shown them in conjunction with the heel-wipers only.

The heel-wipers are shown at L, havinga common pivot orjoint, 23. They are operated to open and close by means of arms M, having a common pivot, 24., and connecting-links N, pinned at one end to the arms M and at the other end provided with pins which enter slots in the wipers. The arms M are pivoted to the slide-bar O, mounted in longitudinal ways in the wipercarriage, and engaging by a stud, 26, on its under side a slot in the pivoted lever P. By moving the lever forward the slide 0 will be correspondingly advanced, and this movement of the slide will, through the arms M and links N, cause the closing of the jaws. It is desirable that the wipers should advance bodily at the same time that they close; and it is also at times necessary that for the same range of opening and closing movement of the wipers their advance movement should vary. A convenient arrangement for giving the advance movement,

and which will permit the variation in that advance movement to be conveniently obtained, is represented in Figs. 4 and 5.

The wiper-jaws L are pivoted to a slide-bar, R, mounted in longitudinal ways in the carriage. This slide-bar is separate from the slide-bar 0, but is indirectly connected therewith through the intermediary of links 27, pinned at one end to the slide-bar Band at the other end one to each of the arms M on opposite sides of and at equal distances from the pivot 24. of said arms. Under this arrangement the slide R will move forward with, but at less speed than, the slide 0. The farther from the pivot 24 the links 27 are joined to the arm M the slower will be the movement of slideR relatively to that of slide and the contrary effect is produced by approaching these joints to the pivot 24. Thus, by varying the distance from the pivot 24 of the points of attachment of the links 27 to the arms M, the forward movement of the wipers can be varied at pleasure, while maintaining the same opening and closing movement.

P, Fig. 1, is thelever by which the toewipers are actuated.

G, Figs. 2 and 7, is a toe-clasp, intended to take the place of the like lettered clasp in my Letters Patent No. 337,925. It is my object to give it strength and at the same time to enable it to automatically conform to different shapes and sizes of toes. To this end it consists of one or more sprocket-chains, 28, faced with leather 29. (See Fig. 7 From the rear center of this clasp extends a horizontal stem, 30, which fits and is adapted to move in a suitable socket in the part D of the toe-wiper carriage, and is intended to centrally uphold the clasp. The clasp thus made is both strong and pliable, and will conform automatically to the shape of the toe of the last. It can be attached to any suitable part of the toe-wiper carriage. In this instance it is jointed at its ends to the two side toe-clamps 7. When two sprocket-chains enter into the composition of the clasp, as is usually the case, they are placed vertically one above the other, as seen in dotted lines in Fig. 2, thus giving the needed width to the device. -I have shown and described the clasp as applied to the toe-wiper carriage. .It can, however, with equally good effect he applied to and be used with the heelwiper carriage for the purpose of clasping the heel.

Having now described my improvements and the manner in which the same are or may be carried into effect, what I claim herein as new and of my own invention is as follows:

1. The combination of the toe-wipers, the retarder capable of oscillatory movement to adapt itself to inequalities in the upper, and the hold-down, vertically movable independently of said retarder, substantially as and for the purpose hereinbefore set forth.

2. The combination of the retarder, its mov able supporting-frame, the hold-down, vertically movable in said frame independently of the retarder, and means, substantially as described, for forcing down the hold-down, substantially as and for the purposes hereinbefore set forth.

3. The combination, with the toe-wipers, of the adjustable side toe-clamps, arranged and adapted to bear from opposite sides against. the toe end of the last, substantially as and for the purposes hereinbefore set forth.

4. The combination, substantially as hereinbefore set forth, of the toe-wipers, the holddown and retarder mechanism, and the adj ustable side toe-clamps. I

5. Thelongitudinally-movable and laterallytilting lasting-carriage E, in combination with means, substantially as described, for adjusting said carriage both longitudinally and laterally, as hereinbefore set forth.

6. The combination of the bar G, the wipercarriage adapted to slide and turn thereon, the carriage advancing and retracting mech anism, and means, substantially as described, whereby the carriage may be laterally tilted and held in such tilted position upon the bar, as and for the purposes hereinbefore set forth.

7. The bar or rail G, pivoted at its rear end, and the wiper-carriage mounted and adapted both to slide and to turn on said rail, in combination with means, substantially as described, for lifting or lowering the front end of said rail.

8. The combination of the bar or rail G, the wiper-carriage mounted and adapted both to slide and to turn thereon, and mechanism, sub

stantially as described, whereby each end of' the bar or rail may be raised or lowered independently of the other, substantially as and for the purposes hereinbefore set forth.

9. The combination, with the wiper-carriage and the two independent slide-bars O R, of the wipers carried by the slide R, the arms M, and links N, connecting slide 0 with the wipers. for the purpose of opening and closing the latter, and the links connecting the pivoted arms M of slide 0 with slide R, for the purpose of advancing and retracting the latter, substantially as andfor the purposes hereinbefore set forth. I

10. The pliable clasp G, composed of one or more chains jointed at the ends to their supporting-carriage, faced with leather or other smooth pliable material, and provided with a central guide or supporting stem, substantially as and for the purposes hcrcinbefore set forth.

11. The adjustable side toe clamps provided with pivoted or swiveled pressure-pads, as and for the purposes herein'before set forth.

In testimony whereof I have hereunto set my hand this 18th day of March, A. D. 1887.

FRANK CHASE.

Witnesses:

EWELL A. DICK, MARVIN A. GUsTIs. 

